site/docs/en/doc/contact-us.md
Questions about how to use Arthas and opinions can be directly raised in issues: https://github.com/alibaba/arthas/issues
DingTalk can be downloaded from: https://www.dingtalk.com/en
After installing you can search for group number and join it.
Arthas open source discussion QQ group:916328269
Arthas open source discussion QQ group2:854625984
Arthas open source discussion QQ group 3: 672077388